1. Pedagogical University of Cracow, Institute of Geography, Podchorążych 2, 30-084 Kraków, Poland
2. University of Łódź, Archaeology Institute, Uniwersytecka 3, 90-137 Łódź, Poland
3. University of Szczecin, Geology and Palaeogeography Unit, Faculty of Geosciences, Mickiewicza 18, 70-383 Szczecin, Poland
4. University of Łódź, Institute of Earth Science, Department of Geomorphology and Palaeogeography, Narutowicza 88, 90-139 Łódź, Poland
5. University of Lódź, Institute of Earth Science, Laboratory of Geology, Narutowicza 88, 90-139 Łódź, Poland